Elastic fabric.



W. KOPS. ELASTIG FABRIC. APPLICATION FILED MAY 7,1912.

1,081,676. I Patented Dec. 16,1913.

2 SHEETS-SHEET 1.

COLUMBXIA PLANOGRAPH 60-, WASHINGTON. D. c.

W. KOPS.

ELASTIC FABRIC.

APPLIGATION FILED MAY 7, 1912.

Patented Dec. 16, 1913.

2 SHEETS-SHEET 2.

.COLUMBIA PLANOGRAPH 120.. WM'HINBTON. D. c.

WALDEMAR KOPS, OF NEW YORK, N. Y., ASSIGNOR TO KOPS BROS, OF NEW YORK, N. Y., A FIRM.

ELASTIC FABRIC.

Specification of Letters Patent.

Patented Dec. 16, 1913.

Application filed May 7, 1912. Serial No. 695,633.

T 0 all whom it may concern Be it known that I, IVALDEMAR Kors, a citizen of the United States of America, residing in the borough of Manhattan, clty, county, and State of New York, have invented a new and useful Improvement in Elastic Fabrics, of which the following is a specification.

My invention relates to elastic fabrics, having selvage edges and woven of indefinite length, with the object of providing an elastic fabric suitable for use between parts under tension in the gores of corsets, slippers, &c., and wherever such forms of elastic fabric are useful in the arts and manufactures.

In the article of my invention, I provide the elastic portions with borders or edges of inelastic fabric, forming sewing sections, and in the continuous flat strip of elastic weaving, as woven, the inelastic sewing sections are arranged intermediate the elastic sections, and the respective sections with reference to the length of elastic fabric are arranged transversely therewith, or in other words, preferably in diagonal or transversed or reversed positions, adapting the strip to be cut up through the inelastic sewing sections into shaped pieces of suitable configuration, or for filling the gores of corsets, slippers, &c., and this regardless of the width of the elastic fabric or the size of the suitable configurations into which the same is cut up. In each of these parts, the elastic strands run parallel with the warp threads, and in the sewing sections, the clastic strands and usual warp threads are bound together more firmly, closely and tightly than in the elastic sections, so thata slipping of the elastic strands in the receiving channels is therefore prevented.

In the elastic fabric of my present invention, and in contradistinction to my application of like date herewith, the weft thread extends all the way across the elastic webbing between the edges or selvage, and said weft or filling thread, in the inelastic sections, is interlaced more frequently than in the elastic sections.

As in my application of like date herewith, the flat length elastic fabric, woven according to the present invention, is adapted to be severed into suitably shaped sections, and when so severed, each section has an elastic intermediate or central portion with opposite marginal inelastic or sewing sections so as to adapt the sections for use as elastic or yielding members for filling the gores of corsets, slippers, &c., or for any similar suitable purpose in the arts and manufactures.

W'hatevcr may be the suitably shaped sections of the elastic fabric of my present invention, the weft or filling thread in all cases is interlaced oftener or more frequently in the inelastic or sewing sections than in the elastic sections, consequently the inelastic sewing sections are woven tight, and the elastic sections relatively loose, so as to freely yield while the extent of yielding in the inelastic or sewing sections is negligible.

In the drawing, Figures 1 and 3 represent plans or plan views of lengths of elastic fabric formed according to my invention, except that in Fig. 1 the suitably shaped sections are of one configuration and in Fig. 3 of a different configuration. The shaped sections in Fig. l are approximately of V- form and in Fig. 3 of approximately U- form. I do not in anywise limit my invention to the form of these shaped sections, but show those perhaps most convenient. These figures are essentially diagrammatic. Figs. 2 and 4 are enlarged plan views showing several forms of arrangement of the weft threads in the elastic and inelastic sewing sections, the more clearly to indicate the close weavingof the inelastic or sewing sections and the looser weaving of the elastic sections.

In Fig. 1 of the drawing, 2 and 3 represent the selvage of the elastic fabric strip. a, a a a and a represent the inelastic or sewing sections, while 6, b 19 b and 6* represent the elastic sections.

In Fig. 3, a, a a a and a represent the inelastic sewing sections, while 6 and 6 represent the elastic sections.

In the fabric of my invention, the warp threads d of cotton or any other suitable material extend lengthwise of the fabric. The elastic strands 6 run parallel to this line and between groupsrof the warp threads d, and preferably extend from selvage to selvage. I have shown the elastic strands or warps by heavier lines than the warps of cotton or other suitable material.

In both Figs. 1 and 3, the weft thread 6 extends lengthwise all the Way across from selvage to selvage, and is preferably and advantageously returned at the selvage. This weft thread, in the inelastic or sewing sections, is bound more closely, or in other words, interlaced more frequently or interwoven than in the elastic sections. For instance, comparing Fig. 1 with Fig. 2, I have shown in Fig. 2 groups of threads in which the weft thread is particularly represented at the groups as, y and w, the group y being shown in a diagonal direction in which the weft thread 0 extends alternately over and under each cotton or other suitable material warp (Z and elastic strand or warp 0, hence binding the same in the most substantial and close manner, while at the opposite sides of this inclined sectionz ,the said weft thread 0, in groups as 00, extends back and forth over and under the cotton or other suitable material warp threads 03 and elastic strands or warps e in groups of at least two, and these groups are even irregularly placed, as shown in the sections embraced by the brackets marked 00. In these sections marked 00, it will be apparent that in some cases the weft thread extends over an elastic warp and a warp on one side, and in some cases over the elastic warp and a warp on the other side, but there are always groups of at least two of the warps over and under which the weft thread passes, so that these sections 00 which represent the elastic sections are loosely woven, while the sections g which represent the inelastic or sewing sections are closely woven, or in other words,

the inelastic or sewing sections are woven at least twice as close as the elastic sections.

Referring now particularly to the form of fabric strip woven in Fig. 3, and to the en larged diagram Fig. 41, it will be apparent that in the inelastic or sewing section represented by the bracket and the letter y, the weft thread 0 extends alternately over and under each cotton or other suitable material warp (Z and each elastic strand or warp 6, while in the group of threads Fig. 4-, represented by the bracket and the letter 00, the weft thread 0 extends alternately over and under groups of three of the cotton or other suitable material warps (Z and elastic strands or warps 6. Hence, it will be apparent that the inelastic or sewing sections are woven approximately the same as illustrated by the smaller diagram of Fig. 2, while the elastic sections represented by the bracket and the letter at, are woven only one-third as snugly as the inelastic or sewing sections, but I do not limit my invention to the arrangement of the warp and weft threads in the elastic sections, except that they are loose woven or less frequently woven or interlaced than in the inelastic or sewing sections.

Referring to Fig. l, the diverging lines 4 indicate the lines of severance, and in Fig. 3, the lines 5 indicate the lines of severance, upon which, in either case, the length of webbing is cut up into several pieces, each of which forms a gore section having opposite inelastic edges or sewing sections between which is an elastic section.

I claim as my invention:

1. A fiat length elastic fabric adapted to be severed into suitably shaped sections with intermediate elastic and opposite marginal inelastic sewing sections, and in which said shaped sections are woven continuous and reversed in position, and also in which the weft thread extends all the way across the fabric strip and in the inelastic sections is interlaced over and under every cotton warp and elastic warp, and in the elastic sections over and under groups of at least two of the cotton warps and elastic warps.

2. A flat length elastic fabric comprising elastic and inelastic warps, and inelastic wefts woven to have inelastic sections extending at predetermined angles across the same and intermediate elastic sections and in which the inelastic sections are woven continuous in reversed positions throughout the fabric, and also in which the inelastic sections the wefts are closely interlaced with all the warps and in the elastic sections the wefts are interlaced only with groups of warp threads.

3. A flat lengthelastic fabric adapted to be severed into suitably shaped sections with intermediate elastic and opposite marginal inelastic sewing sections and in which said shaped sections are woven continuous and reversed in position, and also in which, in the inelastic s ctions, the weft thread is'interlaced over and under each cotton warp and elastic warp and in the elastic sections is interlaced over and under groups of at least two of the cotton warps and elastic warps.

Signed by me this 3rd day of Way, 1912.

WALDEMAR KOPS.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

